InChI=1/C19H20ClN3O4S/c20-17-6-5-16(28-17)18(24)21-11-15-12-23(19(25)27-15)14-3-1-13(2-4-14)22-7-9-26-10-8-22/h1-6,15H,7-12H2,(H,21,24)/t15-/m0/s1/f/h21H BF5BDFDA9EEF4023